Valve



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P. D. SPRENGER ET AL VALVE Filed Flb. '7, 1924 W I TNESSES erta,

A TTOR NE YS Patented Sept. 15, 1924.

UNITED STATES PAUL D. ySPRENGER AND CHARLESr W. MoPI-IERRON, OF SELA'IQILE,V WASHINGTON.-

VALVE.

Application filed February '7,A 1924. rSerial No. 691,228.

Z 1o all fr0/wm t may concern.'

` Be it known that we, PAUL D. SPRENGER and CHARLES lV. MCPHERRON, citizens of the ,United States, residing at Seattle. in the county of King, State of Vilasliington,have

invented certain new and useful Improve ments in TValves, of which the iifollowing is a specification.

Our invention relates generally to iniproven'ients in valves, more particularly to improvements in valves of that type which is adapted to be applied to a tank for a liquid fuel to control tl'ieflow of liquid fuel from the tank, and it consists in the combinations,

"constructions, and arrangements herein described and claimed. c V

An object of the invent-ion is to provide a valve mechanism of simplified construction which is adapted to permit flo-w of liquid fuel from a. tank with which the valve mechanism is associated until onlyv a given quan-` tity of liquid fuel remains inthe tank and to then stop the. further flow of yfuel ,from

the tank until the valve has been operated, whereby the operator apprised that the supply of fue] is nearly exhausted at the time when a quan'tity'of fuel suthcient to supply fuel to the engine of a motor driven vehicle until such vehicle can be drivento a filling station remains.l c i A further object of the. invention is to provide a valve mechanism of the character described which is not likely to get out `of order easily, takes up Abut little spacewhen applied to ya fuel feed tank of ordinary construction, and which is thoroughly practical comn'iercially. y

Other objects and advantages will be apparent from the following description, con` sidercd in conjunction with the accompanying drawings, inwhich Figure 1 is a vertical section througlia portion of a liquid fucl tank of an Ordinar f construction, showing our improved valve mechanism applied thereto, the valve mecha.- nismbeing shown inA side elevation,A

Figure 2 is a slightly enlargedv fragmentary vertical sectional view showing the tubular valve casing of the device withthe rotary valve therein in open position,

Figure 23 is a view similar ytofrFig/ure 2, showing the valve in closed posit-ion, f

mentary vertical sectional view showing the `enmferencc of the valve. l Ligure 4 1s a still further enlarged frag- Figure 5 is a relatively enlarged. perspective viewshowing the valve nieinber ofthe device, i y Y AFigure 6 is a vertical sectional view thro-ugh the valve casing'and taken substantially at right angles to the view in either iligure 2 or Figure, and

Figure 7 is ,an enlarged pian view of a hand-wheel which is comprised in the device.

Referring now to the drawings, We show in Figure l a portion of a liquid fuel tank l. which may be of any suitable known or pre` ferred construction, such. as ordinarily adapted foruse on a motorcar. The tank 1 has an outlet opening 2 in the bottom there o-f and ay flange 3 may be secured to the bottom member ofthe tankin such position that, thcicei-it-ral opening 4lof the flange isin register with the opening through the bottoni of the tank. KAThe central opening t is screw` threaded for engagement with the er tcrnally threaded,tubular .intake member of a 'trap 6V or like` receptacle for receiving liquid from the tank. yThe .liquid received in the trap (i inaypass' therefrom through a deli very tube 'Y for use at any 'convenient place. The trap may have asediment chamber in the lower part thereofiprovided with a drain opening controlled yby a pet cockS, as is usual. The

parts described so far are ordinary in construction and formr no part of our invention except in so far as theyco-operate witlrthe parts. which will now` loe described.

In carrying ,out our invention We provide ajtuloular vvalve casing which has an end port-ion thereof provided with external screw threads 10 forengaging with the internally screw-threaded intake member 5 'of the receptacle. (i. The tubular valve casing 9 has 'a lateral port 1l formedthrough ,the Walls thereof at the inner end ofthe screw-threadedportion 10. A f

y tubular rotary .valve 13 isadaptedto intertit thevalve casingcQin suchl manner as to be readily rotatable lin the latter but to have a substantially Huid-tighty it with the valve casing. The valve 13 has the walls thereof cut-away from onev end thereof for part of they length of the valve as indicated at 14, theopeningthusprovidedy at 14 extending less .than one-half the cirr` jA therevalve stem 15 has an end portion of received within the adjacent end portion of the valve 13y and is rigidly secured to f the .latter through the agency of a pin which extends diametrically through the lapped portions of the valve and valve stem. The valve stem 15 is considerably smaller in diameter than the valve 13 rso that a liquid'may flow from the lvalve `casing 9 into the valve 13 aty the upperend of the latter and between the valve inner wall of the valve when the parts of the devicevwhich have been described are die-'posed within the tank 1 inthe position illustrated in Figure 1.A lt will lie-observed by referring'to Figure 1 that the valve casing 9 will be supported to extend vertically within the tank 1 when the threaded lower end portion 10 of the valve casing is engaged with the intake member 5 of the relceptacle 6. The valve stem extends from the valve casing 9 vertically throughV the tank 1 and through an opening 17 inthe top'of'the-tank. The opening 17 is in ver `tical alignment with the: opening 2 and the valve stem is supported and guided by an elongated guiding andv supporting member 18 which may "be secure'd'at its lower end bv solder lor other suitable yknown means to the .tubular valve casing and 'is previded at its upper end with 'a laterally extending portion' 19 having an' opening 2O through which the valvesteni 15 extends. VThe lat erally extending portion '19 of theguide and supporting a packingrwasher 21 which encircles the valve stem compressible material and. serving to pre-A vent leakage between the wall of the opening 17 and the'portion of the valve stem which extends through such opening, The

Vvalvestem V15 may be provided above the laterally extending portion`19 'with any `suitable knownmeans for engaging with the `laterally extending portion 19 to prevent downward movement ofthe valve stem 15 vr'in' thedir'ection of'its'length.

The end portion of the valve Vstem which protrudes from the opening 17 kand extends above the top of the tank hasa hand-wheel secured thereto by a set screw 23 which is inserted in the counterbore'll at the outer @iid of a radial opening which opens into the central opening of the hand-wheel and which is threaded for engagement with 'the l*threaded shank of the screw.

stem and the' i member also serves to'clamp 15 against the top of the tank 1,v the washer 21 being made of felt'or like 1. The combination guide 18 when the stem' and valve have been rotated as a unituntil the valve is in closed position and to Contact with another portion of the guide 18 when the valve stem and valve. have been rotated as ai unit until the valve is in open position,

'From the foregoinov description of the ,'farious partsof the device, the operation thereof may be readily understood, The device assembled as follows: The trap or receptacle 6 is removed from the tank and -into the opening 2 the parts of the device which are carried by the trap will be moved Yvertically untilthe upper end portion ofthe "valve stem extends through the opening v17 iu the top of the tank and the packing washer 21 will be compressed between the laterally extending portion 19 of the guide and the top of the tank; The hand-wheel then secured on the extending upper end portion' 'of the valve stem.

Vlhenfthe tank has been filled with liquid 'fuelin the usual manner, the liquid will flow by gravity through the valve casing 9 and the tubular valve 13V into the receptacle 6 so long 'as the level of liquid within the tank ydoes notfall below the level of the upper'end'of the valve Vcasing 9, irrespectiv/ of the positionof the 'valve 13 in the valve casing. Y However,V when the valve 13 has been rotated to position to close the lateral port Y117 .fiowj of liquid through the valve casing andV from 'the tank will be interrupted whenever the level of liquid within the tank falls below thatvof the upper end of the valve easing.V The lateral port 11 is soy positioned along the valve casing that the lower side thereof is at approximately the same level as the bottom of thetank so that V liquid will be permitted to flow through the i lateral'port'ill into the valve casing and therefrom into a receptacle 6 when the valve 13 has been rotated to position to uncover the lateral port 11. Therefore, the tank 1 may be completely emptied'by gravity when the valve is in open position. i l

Obviously, our invention is susceptible of embodiment in forms other than that illuS- trated in the accompanying drawings and we, therefore, consider as our own all modi' Y lications vand adaptations thereof which fairly fall within thescope of the appended claims'.

lVe'` claim tank having van opening through: the upper with a liquid fuel part thereof and also having an opening in the lower part thereof in vertical alignment with said first opening, of a. tubular valve casing supported at its lower end in said second-named opening and upstanding Within the tank for part of the height of the latter, said tubular valve casing having a lateral port adjacent to the lower end thereof, a rotary valve in said valve Casin for contro-lling said port, a valve stein for operating said valve, said valve stein eX- tending vertically within the tank through the opening in the upper part thereof, a valve stem guiding and supporting member supported upon said valve casing and eX- tending vertically Within said tank, a packing Washer surrounding said valve 'stem and compressed between said valve stein guiding and retaining member and the upper Wall 4of. said tank, and a hand-wheel secured to the extending upper end portion of said stem, said valve casing, valve stem, packing Washer and stem guiding andr supporting member being insertable in the tank through the opening in the lower part of the tank.

2. The combination with a liquid fuel tank having an opening through the upper part thereof and also having an opening in the lower part thereof in vertical alignment with said first opening, of a tubular valve casing supported at its lower end in said second-named opening and upstanding Within the tank for part of the height of the latter, said tubular valve casing having a lateral port adjacent to the lower end thereof, rotary valve in said valve casing for controlling said port, a valve stem for operating said valve, said valve stein extending vertically Within the tank through the opening in the upper part thereof, a valve stem guiding and supporting member supported upon said valve casing and extending vertically Within said tank, a laterally extending arm carried by r,said valve stem for engaging with said guiding and supporting member when the valve stem has been rota-ted to position to cause closing of said valve, and a hand-Wheel secured to the extendingupper end portion of said valve stem, said hand-Wheel having indicia thereon indicating the directionV of rotation of said hand-Wheel to effect closing of the` valve.

PAUL D. SPRENGER. CHARLES WV. McPHERRON. 

